ceph/src/boost/libs/spirit/include/boost/spirit/home/x3/char/any_char.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2014 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #if !defined(BOOST_SPIRIT_X3_ANY_CHAR_APRIL_16_2006_1051AM)
   8 #define BOOST_SPIRIT_X3_ANY_CHAR_APRIL_16_2006_1051AM
   9
  10 #include <boost/type_traits/extent.hpp>
  11 #include <boost/spirit/home/x3/char/literal_char.hpp>
  12 #include <boost/spirit/home/x3/char/char_set.hpp>
  13
  14 namespace boost { namespace spirit { namespace x3
  15 {
  16     template <typename Encoding>
  17     struct any_char : char_parser<any_char<Encoding>>
  18     {
  19         typedef typename Encoding::char_type char_type;
  20         typedef Encoding encoding;
  21         typedef char_type attribute_type;
  22         static bool const has_attribute = true;
  23
  24         template <typename Char, typename Context>
  25         bool test(Char ch_, Context const&) const
  26         {
  27             return ((sizeof(Char) <= sizeof(char_type)) || encoding::ischar(ch_));
  28         }
  29
  30         template <typename Char>
  31         literal_char<Encoding> operator()(Char ch) const
  32         {
  33             return { ch };
  34         }
  35
  36         template <typename Char>
  37         literal_char<Encoding> operator()(const Char (&ch)[2]) const
  38         {
  39             return { ch[0] };
  40         }
  41
  42         template <typename Char, std::size_t N>
  43         char_set<Encoding> operator()(const Char (&ch)[N]) const
  44         {
  45             return { ch };
  46         }
  47
  48         template <typename Char>
  49         char_range<Encoding> operator()(Char from, Char to) const
  50         {
  51             return { from, to };
  52         }
  53
  54         template <typename Char>
  55         char_range<Encoding> operator()(Char (&from)[2], Char (&to)[2]) const
  56         {
  57             return { static_cast<char_type>(from[0]), static_cast<char_type>(to[0]) };
  58         }
  59
  60         template <typename Char>
  61         char_set<Encoding> operator()(std::basic_string<Char> const& s) const
  62         {
  63             return { s };
  64         }
  65     };
  66 }}}
  67
  68 #endif